The John F. Kennedy Space Center (KSC) is the United States launch site that has been used for every NASA human space flight since 1968. Although such flights are currently on hiatus, KSC continues to manage and operate unmanned rocket launch facilities for the U.S. government's civilian space program from three pads at the adjoining Cape Canaveral Air Force Station. Its Vehicle Assembly Building (VAB) is the fourth-largest structure in the world by volume and was the largest when completed in 1965.
